In that case, who is using up all the chips? [...]
Demand is always increasing, whether for semi's or crude oil. The pandemic caused an additional spike in consumer electronics demand, smartphones and PCs. china started hoarding as a reaction to the US sanctions. Record numbers of semi's are being sold.
There's no magical unicorn that tells companies to prepare to make more, fab more, drill more etc. and why would you- as the prices go up nicely.
As I've said, why build a new fab it's very costly and will make you look bad as a CEO because quarterly profit matters, not investment. Only now after governments offer multi-billion $ tax concessions and grants do these semi companies decide to get off their lazy ass and expand.
I don't see this "ramping up" crap happening, the time-constant is too large and IQ too low for the executives floundering about, after the obvious fact is in their face they should have planned ahead, they should not have off-shored as much as possible, Asia is the King of the Semiconductor industry.
But why would a car manufacturer let cars pile up with pieces missing? Knowing Ford, they would sell cars without doors if they had to. [...]
If a module is "coming in soon", it makes sense to keep production rolling and fill up the parking lot... but after you fill up Dirt Mountain with a 3 month queue, that looks like a scary strategy. Other cars lost Park Assist, heated seat climate controls etc. It seems like (BCM) modules are being built minus some IC's.